org.snmp4j.agent.mo.snmp.dh.DHKickstartParametersImpl Maven / Gradle / Ivy
/*_############################################################################
_##
_## SNMP4J-Agent 3 - DHKickstartParametersImpl.java
_##
_## Copyright (C) 2005-2018 Frank Fock (SNMP4J.org)
_##
_## Licensed under the Apache License, Version 2.0 (the "License");
_## you may not use this file except in compliance with the License.
_## You may obtain a copy of the License at
_##
_## http://www.apache.org/licenses/LICENSE-2.0
_##
_## Unless required by applicable law or agreed to in writing, software
_## distributed under the License is distributed on an "AS IS" BASIS,
_## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
_## See the License for the specific language governing permissions and
_## limitations under the License.
_##
_##########################################################################*/
package org.snmp4j.agent.mo.snmp.dh;
import org.snmp4j.mp.SnmpConstants;
import org.snmp4j.security.dh.DHOperations;
import org.snmp4j.smi.OID;
import org.snmp4j.smi.OctetString;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Properties;
/**
* The {@link DHKickstartParametersImpl} provides the kickstart public parameters needed to
* initialize Diffie Hellman key exchange. These parameters have to exchanged out-of-band as
* defined by RFC 2786. This implementation of the {@link DHKickstartParameters} interface provides
* a static method to create kickstart parameters from a set of properties of the following form:
* {@code
* dh.publicKey.=
* dh.authProtocol.=
* dh.privProtocol.=
* dh.vacm.role.=
* dh.reset.=true|false
* }
*
* @author Frank Fock
* @since 3.0
*/
public class DHKickstartParametersImpl implements DHKickstartParameters {
private OctetString securityName;
private OctetString publicKey;
private OID authenticationProtocol = SnmpConstants.usmHMACMD5AuthProtocol;
private OID privacyProtocol = SnmpConstants.usmDESPrivProtocol;
private String vacmRole;
private boolean resetRequested;
/**
* Create a Diffie Hellman kickstart parameter set with the provided authentication and privacy protocols.
* @param securityName
* the security name of the provisioned user.
* @param publicKey
* the Diffie Hellman public key as defined by RFC 2786.
* @param authenticationProtocol
* the OID of the authentication protocol to be used by this user.
* @param privacyProtocol
* the OID of the privacy protocol to be used by this user.
* @param vacmRole
* the agent implementation specific VACM role that defines the access rights associated with the user.
* @param resetRequested
* if {@code true}, existing nonVolatile or permanent USM user with the same security name will be replaced
* by this new kickstart user.
*/
public DHKickstartParametersImpl(OctetString securityName, OctetString publicKey,
OID authenticationProtocol, OID privacyProtocol, String vacmRole,
boolean resetRequested) {
this.securityName = securityName;
this.publicKey = publicKey;
this.authenticationProtocol = authenticationProtocol;
this.privacyProtocol = privacyProtocol;
this.vacmRole = vacmRole;
this.resetRequested = resetRequested;
}
/**
* Create a Diffie Hellman kickstart parameter set with default authentication (MD5) and privacy (DES) protocols.
* @param securityName
* the security name of the provisioned user.
* @param publicKey
* the Diffie Hellman public key as defined by RFC 2786.
*/
public DHKickstartParametersImpl(OctetString securityName, OctetString publicKey) {
this.securityName = securityName;
this.publicKey = publicKey;
}
@Override
public OctetString getSecurityName() {
return securityName;
}
@Override
public OctetString getPublicKey() {
return publicKey;
}
@Override
public OID getAuthenticationProtocol() {
return authenticationProtocol;
}
@Override
public OID getPrivacyProtocol() {
return privacyProtocol;
}
@Override
public String getVacmRole() {
return vacmRole;
}
/**
* Indicates whether an existing user with StorageType nonVolatile or permanent should be replaced by this kickstart
* user or not.
*
* @return {@code true} if a reset of an existing user is requested, {@code false} otherwise.
*/
@Override
public boolean isResetRequested() {
return resetRequested;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
DHKickstartParametersImpl that = (DHKickstartParametersImpl) o;
if (!getSecurityName().equals(that.getSecurityName())) return false;
return getPublicKey().equals(that.getPublicKey());
}
@Override
public int hashCode() {
int result = getSecurityName().hashCode();
result = 31 * result + getPublicKey().hashCode();
return result;
}
@Override
public String toString() {
return "DHKickstartParametersImpl{" +
"securityName=" + securityName +
", publicKey=" + publicKey +
", authenticationProtocol=" + authenticationProtocol +
", privacyProtocol=" + privacyProtocol +
", vacmRole='" + vacmRole + '\'' +
", resetRequested=" + resetRequested +
'}';
}
public static List readFromProperties(String propertyPrefix, Properties properties) {
ArrayList kickstartParameters = new ArrayList<>();
for (Map.Entry
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